AT175704B
(en )
1953-08-10
Process for impregnating fibrous materials
AT183645B
(en )
1955-10-25
Process for bleaching paper pulps, especially wood pulp
CH486596A
(en )
1970-02-28
Process for bleaching aqueous cellulose pulp
CH305733A
(en )
1955-03-15
Process for bleaching pulps.
AT176188B
(en )
1953-09-25
Process for drying hygroscopic materials, especially wood
CH293130A
(en )
1953-09-15
Process for bleaching wood pulp.
AT183646B
(en )
1955-10-25
Process for bleaching sulphate or sulphite pulp
CH235778A
(en )
1944-12-31
Process for bleaching pulp.
FI25895A
(en )
1952-08-11
Washing machine for cellulose or similar pulp
AT168072B
(en )
1951-04-10
Process for bleaching wood pulp
AT167849B
(en )
1951-03-10
Process for bleaching wood pulp
AT175455B
(en )
1953-07-10
Process for the gentle bleaching of sulphite pulp
FR1010501A
(en )
1952-06-12
Cellulose pulp bleaching process
AT169160B
(en )
1951-10-25
Device for dewatering pulp
AT170671B
(en )
1952-03-10
Conical sieve for dewatering pulp
CH286515A
(en )
1952-10-31
Process for the production of colored cellulosic material, in particular colored paper.
AT166931B
(en )
1950-10-10
Process for bleaching wood pulp
AT173955B
(en )
1953-02-10
Machine for opening up paper waste
AT175786B
(en )
1953-08-10
Process for bleaching wood pulp and other mechanically produced fibers with peroxides
AT177996B
(en )
1954-03-25
Process for the evaporation of waste liquors, in particular pulp waste liquors
FI25429A
(en )
1951-11-10
Paper wood peeling machine
CA455073A
(en )
1949-03-08
Wood pulp screening vat
FR998217A
(en )
1952-01-16
Advanced machine for making pulp
AT266578B
(en )
1968-11-25
Process for bleaching wood pulp
AT172194B
(en )
1952-08-11
Device for dissolving pulp for papermaking